Sources of Energy Practice Questions

Class 10 · Science · 3400 free MCQs with instant results and detailed explanations.

3400

Total

1040

Easy

1678

Medium

682

Hard

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Topics in Sources of Energy

Environmental Consequences 1132

Non-conventional Sources 1138

Conventional Sources 1130

Sample Questions from Sources of Energy

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Easy

Which of the following is considered a conventional source of energy?

A. Coal

B. Wind

C. Solar

D. Tidal

Show Answer & Explanation

Correct Answer: A

Coal is a traditional energy source that has been used for centuries for heating and electricity.

Easy

What is the primary fuel used in thermal power plants?

A. Natural Gas

B. Coal

C. Nuclear Fuel

D. Hydropower

Show Answer & Explanation

Correct Answer: B

Coal is the most commonly used fuel in thermal power plants for generating electricity.

Easy

Which of the following is NOT a conventional energy source?

A. Natural Gas

B. Hydropower

C. Solar Energy

D. Oil

Show Answer & Explanation

Correct Answer: C

Solar energy is considered a renewable energy source, not a conventional source.

Medium

Which of the following is the primary source of energy for most power plants?

A. Solar

B. Nuclear

C. Coal

D. Wind

Show Answer & Explanation

Correct Answer: C

Coal is a conventional source of energy that has been widely used for electricity generation in power plants.

Medium

What is the main disadvantage of using fossil fuels as a source of energy?

A. Renewability

B. Efficiency

C. Pollution

D. Cost

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Correct Answer: C

Fossil fuels release greenhouse gases when burned, contributing to air pollution and climate change.

Medium

Which of the following energy sources is considered non-renewable?

A. Wind

B. Natural Gas

C. Hydropower

D. Geothermal

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Correct Answer: B

Natural gas is a fossil fuel and is therefore classified as a non-renewable energy source.

Medium

The process of harnessing energy from the sun is known as:

A. Geothermal energy

B. Solar energy

C. Wind energy

D. Hydropower

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Correct Answer: B

Solar energy refers to the process of capturing energy from sunlight using solar panels or other technologies.

Hard

Which of the following is a non-renewable source of energy?

A. Natural gas

B. Solar energy

C. Wind energy

D. Biomass

Show Answer & Explanation

Correct Answer: A

Natural gas is a fossil fuel and non-renewable, whereas the others are renewable sources.

Hard

What is the primary energy source used in thermal power plants?

A. Coal

B. Solar

C. Wind

D. Nuclear

Show Answer & Explanation

Correct Answer: A

Thermal power plants mainly use coal to generate electricity through steam production.

Q10

Hard

In which type of energy conversion does chemical energy change to thermal energy?

A. Photosynthesis

B. Combustion

C. Nuclear fission

D. Hydropower

Show Answer & Explanation

Correct Answer: B

Combustion is the process where chemical energy from fuels is converted to thermal energy.

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Sources of Energy — Class 10 Science Practice Questions Online

This page contains 3400 practice MCQs for the chapter Sources of Energy in Class 10 Science. The questions are organized by difficulty — 1040 easy, 1678 medium, 682 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.